Pre-op

6 mo-post

2 yr-post

P

Area, mm²

460.1 ± 143.14

394 ± 150.93

422.7 ± 426.31

0.864

Thickness, mm

2.21 ± 0.55

2.32 ± 0.51

2.49 ± 0.70

0.565